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Articles 1 - 30 of 58
Full-Text Articles in Life Sciences
Tautog Hook And Release Mortality Data From Tag Retention Trials, Jon A. Lucy
Tautog Hook And Release Mortality Data From Tag Retention Trials, Jon A. Lucy
Reports
No abstract provided.
The Magnitude And Persistence Of Soil No, N2o, Ch4, And Co, Fluxes From Burned Tropical Savanna In Brazil, M Poth, Iris C. Anderson, Et Al
The Magnitude And Persistence Of Soil No, N2o, Ch4, And Co, Fluxes From Burned Tropical Savanna In Brazil, M Poth, Iris C. Anderson, Et Al
VIMS Articles
Among all global ecosystems, tropical savannas are the most severely and extensively affected by anthropogenic burning. Frequency of fire in cerrado,a type of tropical savanna covering 25% of Brazil, is 2 to 4 years. In 1992 we measured soil fluxes of NO, N2O, CH4, and CO2 from cerrado sites that had been burned within the previous 2 days, 30 days, 1 year, and from a control site last burned in 1976. NO and N2O fluxes responded dramatically to fire with the highest fluxes observed from newly burned soils after addition of water. Emissions of N-trace gases after burning were of …
Netted Chain Fern Woodwardia Areolata (L.) T. Moore, Gene Silberhorn
Netted Chain Fern Woodwardia Areolata (L.) T. Moore, Gene Silberhorn
Reports
The Wetland Flora Technical Report series provides concise information regarding the identification, growth habits, distribution, habitat, ecology and wetland indicator status for the title species. Illustrations are also included to aid in specimen ident
Fishery Independent Standing Stock Surveys Of Oyster Populations In Virginia 1995, Roger L. Mann, James Wesson
Fishery Independent Standing Stock Surveys Of Oyster Populations In Virginia 1995, Roger L. Mann, James Wesson
Reports
Extensive description of the Virginia oyster resource and history of its utilization has been given by Haven, Hargis and Kendall (1981), and more recently reviewed by Hargis and Haven (1988). These contributions, among many others, describe a state of continuing decline. The James River, Virginia has served as the focal point for the Virginia oyster industry for over a century, being the source of the majority of seed oysters that were transplanted for grow-out to locations within the Virginia portion of the Chesapeake Bay and much further afield in the Middle Atlantic states (Haven et al, 1981 ). The Rappahannock …
Profiles In Coastal Ocean & Estuarine Research, Virginia Institute Of Marine Science, College Of William And Mary School Of Marine Science
Profiles In Coastal Ocean & Estuarine Research, Virginia Institute Of Marine Science, College Of William And Mary School Of Marine Science
Miscellaneous
No abstract provided.
Evaluation Of Sea Scallop Dredge Ring Size : Contract Report Submitted To Noaa, National Marine Fisheries Service, William D. Dupaul, James E. Kirkley
Evaluation Of Sea Scallop Dredge Ring Size : Contract Report Submitted To Noaa, National Marine Fisheries Service, William D. Dupaul, James E. Kirkley
Reports
1. "A Report to the Sea Scallop Plan Development Team: Preliminary Assessment of a 3.25 Inch Hing Dredge" Virginia Marine Hesource Report No. 94-1 February, 1994 ........p 11
2. "Harvesting Efficiency and Size Selectivity of 3.25 and 3.50 Inch Ring Sea Scallop Dredges," Preliminary Cruise Report U.S. Department of State, Washington, D.C. September, 1994 .......p 25
3. "Harvest Efficiency and Size Selectivity of 3.0 and 3.25 Inch Sea Scallop Dredge Rings" Virginia Marine Resource Report No. 94-5 July, 1994 .......p 29
4. "Harvest Efficiency and Size Selectivity of 3.25 and 3.50 Inch Ring Sea Scallop Dredges" Final Cruise Heport U.S. …
Detection Of Haplosporidium-Nelsoni (Haplosporidia, Haplosporidiidae) In Oysters By Pcr Amplification, Na Stokes, Me Siddall, Em Burreson
Detection Of Haplosporidium-Nelsoni (Haplosporidia, Haplosporidiidae) In Oysters By Pcr Amplification, Na Stokes, Me Siddall, Em Burreson
VIMS Articles
Haplosporidium nelsoni is a protistan pathogen of the eastern oyster Crassostrea virginica, and has contributed to the decline of the oyster population in the Chesapeake Bay. From comparison of the sequence data of the 16S-like rDNA of H. nelsoni with those of Minchinia teredinis and other related organisms, 2 oligonucleotides which were specific to H. nelsoni and suitable for use as PCR primers were identified. These primers amplified a 564 base pair fragment of the small subunit (SSU) rRNA gene of H. nelsoni, but did not amplify genomic oyster DNA or the SSU rRNA genes of the haplosporidians Haplosporidium costale, …
Estimation Of Relative Abundance Of Recreationally Important Finfish In The Virginia Portion Of Chesapeake Bay: Annual Progress Report 1994-1995, Patrick J. Geer, Herbert M. Austin, David N. Hata
Estimation Of Relative Abundance Of Recreationally Important Finfish In The Virginia Portion Of Chesapeake Bay: Annual Progress Report 1994-1995, Patrick J. Geer, Herbert M. Austin, David N. Hata
Reports
Annual indices of juvenile abundance have been generated from trawl survey data for several species of key recreational importance in the Virginia portion of Chesapeake Bay (spot, croaker, weakfish, summer flounder, black sea bass and striped bass, white and channel catfish) and four species of secondary importance (scup, white perch, northern puffer, and silver perch) for the period 1988-1995. No species has shown a continuous trend during the seven year period, although several species have revealed declines (spot, scup y-o-y white perch, northern puffer) or increases (Atlantic croaker and striped bass) in recent years. Spot has shown the largest decline …
Application Of A Tidal Prism Water Quality Model To The Lynnhaven River, Virginia, Kyeong Park, Albert Y. Kuo, Arthur J. Butt
Application Of A Tidal Prism Water Quality Model To The Lynnhaven River, Virginia, Kyeong Park, Albert Y. Kuo, Arthur J. Butt
Reports
No abstract provided.
Bycatch In The United States And Canadian Sea Scallop Fishery, William Dupaul, Jeffrey Brust, James E. Kirkley
Bycatch In The United States And Canadian Sea Scallop Fishery, William Dupaul, Jeffrey Brust, James E. Kirkley
Reports
Report included in:
DuPaul, W., Kirkley, J.E. 1995. Evaluation of Sea Scallop Dredge Ring Size. Contract Report submitted to NOAA, National Marine FIsheries Service.
Swamp Rose Rosa Palustris Marsh, Gene Silberhorn
Swamp Rose Rosa Palustris Marsh, Gene Silberhorn
Reports
The Wetland Flora Technical Report series provides concise information regarding the identification, growth habits, distribution, habitat, ecology and wetland indicator status for the title species. Illustrations are also included to aid in specimen identification.
Smooth Alder Alnus Serrulata (Ait.) Willd., Gene Silberhorn
Smooth Alder Alnus Serrulata (Ait.) Willd., Gene Silberhorn
Reports
The Wetland Flora Technical Report series provides concise information regarding the identification, growth habits, distribution, habitat, ecology and wetland indicator status for the title species. Illustrations are also included to aid in specimen identification.
Modeling The Lower Chesapeake Bay Littoral Zone & Fringing Wetlands:Ecosystem Processes And Habitat Linkages.I. Simulation Model Development And Description, Christopher P. Buzzelli, Richard L. Wetzel, Mark B. Meyers
Modeling The Lower Chesapeake Bay Littoral Zone & Fringing Wetlands:Ecosystem Processes And Habitat Linkages.I. Simulation Model Development And Description, Christopher P. Buzzelli, Richard L. Wetzel, Mark B. Meyers
Reports
No abstract provided.
Comparative Efficiency And Selectivity Of 3.25" And 3.50" Ring Scallop Dredges, Jeffrey C. Brust, William D. Dupaul, James E. Kirkley
Comparative Efficiency And Selectivity Of 3.25" And 3.50" Ring Scallop Dredges, Jeffrey C. Brust, William D. Dupaul, James E. Kirkley
Reports
No abstract provided.
Heat-Shock Proteins Of The Oyster Parasite Perkinsus-Marinus, Ct Tirard, Rm Grossfeld, Ak Volety, Fle Chu
Heat-Shock Proteins Of The Oyster Parasite Perkinsus-Marinus, Ct Tirard, Rm Grossfeld, Ak Volety, Fle Chu
VIMS Articles
The susceptibility of the eastern oyster Crassostrea virginica to infection by the protozoan parasite Perkinsus marinus is influenced by temperature. Because of the crucial roles of heat shock proteins in cellular thermal tolerance and in host-parasite adaptations in other species, we compared the in vitro heat shock responses of cultured P. marin us and of oyster hemocytes. The parasite and host heat shock proteins were different in size and in immunochemical specificity. In addition, the thermal threshold for inducing the response was higher for P. marinus acclimated to the same temperature as the oysters. The results suggest that EI marinus …
Effects Of The June 1995 Freshet On The Main Virginia Tributaries Of The Chesapeake Bay, Herbert M. Austin, Christopher F. Bonzek
Effects Of The June 1995 Freshet On The Main Virginia Tributaries Of The Chesapeake Bay, Herbert M. Austin, Christopher F. Bonzek
Reports
No abstract provided.
Aqua Plan Business Planning Software For Coastal Aquaculture, Patricia F. Lacey, Sayra G. Thacker
Aqua Plan Business Planning Software For Coastal Aquaculture, Patricia F. Lacey, Sayra G. Thacker
Reports
No abstract provided.
Atlantic White Cedar Chamaecyparis Thyoides (L.) Bsp, Gene Silberhorn
Atlantic White Cedar Chamaecyparis Thyoides (L.) Bsp, Gene Silberhorn
Reports
The Wetland Flora Technical Report series provides concise information regarding the identification, growth habits, distribution, habitat, ecology and wetland indicator status for the title species. Illustrations are also included to aid in specimen identification.
Virginia Willow, Tassel-White, Sweet Spires Itea Virginica, Gene Silberhorn
Virginia Willow, Tassel-White, Sweet Spires Itea Virginica, Gene Silberhorn
Reports
The Wetland Flora Technical Report series provides concise information regarding the identification, growth habits, distribution, habitat, ecology and wetland indicator status for the title species. Illustrations are also included to aid in specimen ident
Common Elderberry, Black Elderberry Sambucus Canadensis L., Gene Silberhorn
Common Elderberry, Black Elderberry Sambucus Canadensis L., Gene Silberhorn
Reports
The Wetland Flora Technical Report series provides concise information regarding the identification, growth habits, distribution, habitat, ecology and wetland indicator status for the title species. Illustrations are also included to aid in specimen identification.
A Comparison Of Preservation Techniques For Dissolved Nutrient Analysis, Betty A. Salley
A Comparison Of Preservation Techniques For Dissolved Nutrient Analysis, Betty A. Salley
Reports
No abstract provided.
Cleaning And Preparing The Cownose Ray, John Merriner, Joseph Smith
Cleaning And Preparing The Cownose Ray, John Merriner, Joseph Smith
Reports
Includes recipes for preparing rays.
Status Of The Major Oyster Diseases In Virginia 1994 A Summary Of The Annual Monitoring Program, Lisa M. Ragone Calvo, Eugene M. Burreson
Status Of The Major Oyster Diseases In Virginia 1994 A Summary Of The Annual Monitoring Program, Lisa M. Ragone Calvo, Eugene M. Burreson
Reports
No abstract provided.
Comparison Study Of Five Instrument Measuring Dissolved Organic Carbon For The Chesapeake Bay Monitoring Program, Betty A. Salley, Kevin Curling
Comparison Study Of Five Instrument Measuring Dissolved Organic Carbon For The Chesapeake Bay Monitoring Program, Betty A. Salley, Kevin Curling
Reports
No abstract provided.
Juvenile Finfish And Blue Crab Stock Assessment Program Bottom Trawl Survey Annual Data Summary Report Series Volume 1994, Michael F. Land, Patrick J. Geer, Christopher F. Bonzek, Herbert M. Austin
Juvenile Finfish And Blue Crab Stock Assessment Program Bottom Trawl Survey Annual Data Summary Report Series Volume 1994, Michael F. Land, Patrick J. Geer, Christopher F. Bonzek, Herbert M. Austin
Reports
The Virginia Institute of Marine Science (VIMS) has conducted a trawl survey dating back to 1955. Over these forty years methods and objectives have varied according to funding sources and state and/or federal mandates. The present thrust of the program is to provide juvenile indices of relative abundance for recreationally, commercially, and ecologically important finfish and invertebrates. These measures of juvenile abundance are widely used as a key element in the management of the Atlantic States' coastal fishery resources. Estimates of juveniles (age-0) have proven to be a reliable and early indicator of future year-class strength. A review of previously …
A Challenge For Pesticide Management, Herbert M. Austin
Campus Of Virginia Institute Of Marine Science, School Of Marine Science, The College Of William And Mary, Virginia Institute Of Marine Science
Campus Of Virginia Institute Of Marine Science, School Of Marine Science, The College Of William And Mary, Virginia Institute Of Marine Science
Miscellaneous
No abstract provided.
Ground Breaking Ceremony For The Marine Chemistry & Toxicology Building, Virginia Institute Of Marine Science, School Of Marine Science, College Of William And Mary
Ground Breaking Ceremony For The Marine Chemistry & Toxicology Building, Virginia Institute Of Marine Science, School Of Marine Science, College Of William And Mary
Miscellaneous
Ceremony held April 13, 1995. Program of the event.
Disease Processes And Transmission Dynamics Of Perkinsus Marinus In American Oysters (Crassostrea Virginia), Fu-Lin E. Chu
Disease Processes And Transmission Dynamics Of Perkinsus Marinus In American Oysters (Crassostrea Virginia), Fu-Lin E. Chu
Reports
The once thriving oyster industry in the Chesapeake Bay and east coast of the United States, has been threatened by overfishing, and diseases caused by two protistan parasites, Haplosporidium nelsoni (MSX) and Perkinsus marinus (Dermo). Three lifestages are recognized in the lifecycle of P. marinus, meronts (trophozoites), prezoosporangia, and the biflagellated zoospores. The effects of the diseases caused by the two protists have been well documented (Andrews 1988, Barber et. al. 1988, Ford 1988, Ford and Figueras 1988, Chu et al 1993, Chu and LaPeyre 1993a, 1993b, Paynter and Burreson 1991). Since 1986, P. marinus has reportedly caused greater oyster …
Mitochondrial-Dna Variation In The Bay Scallop, Argopecten-Irradians (Lamarck, 1819), And The Atlantic Calico Scallop, Argopecten-Gibbus (Linnaeus, 1758), Sandra G. Blake, John Graves
Mitochondrial-Dna Variation In The Bay Scallop, Argopecten-Irradians (Lamarck, 1819), And The Atlantic Calico Scallop, Argopecten-Gibbus (Linnaeus, 1758), Sandra G. Blake, John Graves
VIMS Articles
Restriction site variation of the mitochondrial DNA of Argopecten irradians ssp, was surveyed within four populations from the U.S. Atlantic coast and the Gulf of Mexico. A population from North Carolina was resampled one year after the first collection to provide a measure of temporal variation within a population. Haplotype diversity was high, with 49 haplotypes revealed among a total of 135 bay scallops screened with 8 restriction endonucleases. Nucleotide sequence divergences corrected for within-sample variation among populations ranged from 0.00%, between the temporal samples, to 0.33% between geographically distant populations. Tests for heterogeneity indicated that no two of the …